Fonts / Colors for Appointment Form

I have been amending the CSS in plugins/in-appointment/ink-admin/css/ink-form and have made good progress on the fields and drop downs (happy with them now). Where is the CSS is change the field labels? I just want the labels to be darker e.g. #000000.

Thanks

 

Hello,

Paste this code in Custom CSS
Appearance > Theme Option > Styling Option > Custom CSS

Code:

.appointment_wrapper .appointment_form_wrapper input[type="text"], .appointment_wrapper .appointment_form_wrapper input[type="email"]{
color:#000;
}
.appointment_form_wrapper .select_item select.inktext {
color: #000!important;
}
.appointment_wrapper .appointment_form_wrapper #aptmessage, .appointment_wrapper .appointment_form_wrapper .signinformbox .signupForm textarea {
color: #000;
}